级配碎石应分层摊铺压实。
本工程为换填级配碎石。
研究成果对于级配碎石推广应用研究具有促进作用。
The study is stimulative for the promotion and development of graded broken stone.
该结论可为级配碎石材料室内动三轴试验施加偏压和围压提供借鉴。
This conclusion can provide references for the grading macadam dynamic triaxial experiment partial pressure and enclosed pressure in the laboratory.
通过不同级配和含水量的三轴试验,得到了级配碎石的回弹模量模型。
Triaxial tests were carried with different gradation unbound aggregate in different moisture content. Model of resilient module and influencing factor are found.
并从室内试验和理论分析两方面对级配碎石基层结构设计方法进行研究。
Structural design method of unbound aggregate upper base is analyzed through field test, laboratory test and theory study.
半刚性沥青道路在加设级配碎石夹层后结构的受力情况发生巨大的变化。
After unbound aggregate being settled in the semi-rigid pavement, there are great changes in structural stress distribution and form of structural default.
目前,针对级配碎石力学性能研究较少,在多年冻土地区的应用研究还是空白。
At present, the study on mechanical behavior of graded broken stone is very limited and there is no any study of its application especially in perennially frozen soil zone.
综合考虑以上因素的试验路模量反算结果表明:级配碎石的强度有大幅度提高。
Results indicate that the modulus can be improved largely by using above three methods in the design and construction of graded broken stone base.
目前,针对级配碎石力学性能研究较少,在多年冻土地区的应用研究还是空白。
There are 50 years history about subgrade construction technology and the relevant research in the permafrost regions.
提出了基于振动成型的级配碎石设计指标及设计标准,并应用实体工程进行验证。
The design specifications and design standards of graded broken stone which are based on vibration molding are proposed, and their feasibility is verified through practical project.
在规范推荐的骨架密实型级配碎石基础上,通过填充试验,对骨架结构进行了优化;
Recommended in the standard framework based on dense graded crushed stone, through filling test, the optimization of the skeleton structure;
研究表明,掺加二灰后级配碎石混合料的性能显著提高,特别是二灰的填充系数为0。
The results show that the performances of graded gravel mixture are improved significantly after being treated with cement and lime, especially when fill factor is 0.
本文结合浦南路实测资料,提出了多雨潮湿地区级配碎石的设计指标、材料技术要求、级配范围要求。
Through a great number of Pu-Nan experiment datas, the pater put forward to the mixture design method, requirement of aggregate, gradation of mixture for dense graded aggregate base.
结合施工实践,探讨高速公路柔性路面级配碎石底基层的质量控制的方法及在施工过程中应注意的问题。
Through the practice discussion is made on the methods of the quality control on gravel-sorted subbase of the flexible pavement during the construction.
本发明还提供一种测量采用 上述级配碎石板状试件轮碾成型方法所制备的级配碎石板状试件密度的方法。
The invention also provides a method for measuring density of the graded broken stone tabular specimen prepared by the graded broken stone tabular specimen wheel mill molding method.
最后对级配碎石进行了两种不同压实工艺的比较,并对同种压实工艺下不同级配碎石的压实质量进行了比较。
Finally, it compares two different compaction process of graded broken stone, it also compares the compaction quality of different graded broken stone in the same compaction process.
水泥稳定碎石道路基层是将水泥、级配碎石和水按一定比例混合后,搅拌、压实成型的一种半刚性的结构层。
The cement-stabilized crushed stone base is a half rigid structural layer formed by cement, graded crushed stone and water mixed at a certain ratio, and stirred and compacted.
深入分析了级配碎石基层的路面结构形式和施工工艺,对级配碎石广泛应用于路面基层具有一定的指导意义。
The structure forms and the construction craft of unbound graded aggregate base are analysed. It will be of some use in unbound graded base which are used for base of road.
研究表明,在连续级配碎石、砂砾、石灰稳定土、石屑几种回填材料中以自然级配砂砾石为最佳台背回填材料。
According to the research, the natural graded gravel is the best backfill material of graded crushed stone, grit, lime stabilized soil and rock chips.
通过对比分析,结合具有级配碎石基层半刚性底基层沥青路面主要破坏类型的分析,提出结构设计的控制指标。
Main form of structural default is found in semi-rigid pavement with unbound aggregate upper base through contrasting. And it suggests control index of structural design.
结合秦沈线施工特点,具体指出路基采用细粒土、粗粒山皮土和级配碎石几种具有代表性填料进行填筑的技术要求。
Considering the features of the construction of this line specific requirements are specified in the filling such as filling with fine earth, coarse mountain surface soil and graded crushed stones.
基于断裂力学,采用有限元程序,对两种级配碎石夹层沥青路面结构和常规半刚性基层沥青路面结构的断裂进行了对比分析。
Based on the cracking mechanism and FEM, the crackings on the grade crushed stone pavement and the semirigid base asphalt pavement are compared and analyzed.
为了提高路面结构中级配碎石基层的回弹模量,通过材料设计、路面结构组合设计和施工工艺设计,对级配碎石基层的使用性能进行了研究。
In order to enhance modulus, the design of materials, structural combination and construction technology of the graded broken stone base were studied.
针对影响沥青混合料生产质量及沥青路面使用寿命的各种因素,提出对碎石粒径与级配、颗粒组成一致性、粗集料中0。
Based on the influencing factors on asphalt mixture quality and service life of pavement, the control methods of broken stone diameter, gradation, composition, content of grain less than 0.
针对影响沥青混合料生产质量及沥青路面使用寿命的各种因素,提出对碎石粒径与级配、颗粒组成一致性、粗集料中0。
Based on the influencing factors on asphalt mixture quality and service life of pavement, the control methods of broken stone diameter, gradation, composition, content of grain less than 0.
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